Analysis
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max time kernel
148s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:07
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD5523.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD553A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1576 !WannaDecryptor!.exe 5084 !WannaDecryptor!.exe 3772 !WannaDecryptor!.exe 1068 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 3040 taskkill.exe 2272 taskkill.exe 468 taskkill.exe 2420 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2420 taskkill.exe Token: SeDebugPrivilege 3040 taskkill.exe Token: SeDebugPrivilege 468 taskkill.exe Token: SeDebugPrivilege 2272 taskkill.exe Token: SeIncreaseQuotaPrivilege 4808 WMIC.exe Token: SeSecurityPrivilege 4808 WMIC.exe Token: SeTakeOwnershipPrivilege 4808 WMIC.exe Token: SeLoadDriverPrivilege 4808 WMIC.exe Token: SeSystemProfilePrivilege 4808 WMIC.exe Token: SeSystemtimePrivilege 4808 WMIC.exe Token: SeProfSingleProcessPrivilege 4808 WMIC.exe Token: SeIncBasePriorityPrivilege 4808 WMIC.exe Token: SeCreatePagefilePrivilege 4808 WMIC.exe Token: SeBackupPrivilege 4808 WMIC.exe Token: SeRestorePrivilege 4808 WMIC.exe Token: SeShutdownPrivilege 4808 WMIC.exe Token: SeDebugPrivilege 4808 WMIC.exe Token: SeSystemEnvironmentPrivilege 4808 WMIC.exe Token: SeRemoteShutdownPrivilege 4808 WMIC.exe Token: SeUndockPrivilege 4808 WMIC.exe Token: SeManageVolumePrivilege 4808 WMIC.exe Token: 33 4808 WMIC.exe Token: 34 4808 WMIC.exe Token: 35 4808 WMIC.exe Token: 36 4808 WMIC.exe Token: SeIncreaseQuotaPrivilege 4808 WMIC.exe Token: SeSecurityPrivilege 4808 WMIC.exe Token: SeTakeOwnershipPrivilege 4808 WMIC.exe Token: SeLoadDriverPrivilege 4808 WMIC.exe Token: SeSystemProfilePrivilege 4808 WMIC.exe Token: SeSystemtimePrivilege 4808 WMIC.exe Token: SeProfSingleProcessPrivilege 4808 WMIC.exe Token: SeIncBasePriorityPrivilege 4808 WMIC.exe Token: SeCreatePagefilePrivilege 4808 WMIC.exe Token: SeBackupPrivilege 4808 WMIC.exe Token: SeRestorePrivilege 4808 WMIC.exe Token: SeShutdownPrivilege 4808 WMIC.exe Token: SeDebugPrivilege 4808 WMIC.exe Token: SeSystemEnvironmentPrivilege 4808 WMIC.exe Token: SeRemoteShutdownPrivilege 4808 WMIC.exe Token: SeUndockPrivilege 4808 WMIC.exe Token: SeManageVolumePrivilege 4808 WMIC.exe Token: 33 4808 WMIC.exe Token: 34 4808 WMIC.exe Token: 35 4808 WMIC.exe Token: 36 4808 WMIC.exe Token: SeBackupPrivilege 956 vssvc.exe Token: SeRestorePrivilege 956 vssvc.exe Token: SeAuditPrivilege 956 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1576 !WannaDecryptor!.exe 1576 !WannaDecryptor!.exe 5084 !WannaDecryptor!.exe 5084 !WannaDecryptor!.exe 3772 !WannaDecryptor!.exe 3772 !WannaDecryptor!.exe 1068 !WannaDecryptor!.exe 1068 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4684 wrote to memory of 4872 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4684 wrote to memory of 4872 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4684 wrote to memory of 4872 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4872 wrote to memory of 8 4872 cmd.exe cscript.exe PID 4872 wrote to memory of 8 4872 cmd.exe cscript.exe PID 4872 wrote to memory of 8 4872 cmd.exe cscript.exe PID 4684 wrote to memory of 1576 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 1576 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 1576 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 3040 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 3040 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 3040 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 2272 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 2272 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 2272 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 2420 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 2420 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 2420 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 468 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 468 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 468 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4684 wrote to memory of 5084 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 5084 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 5084 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 1704 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4684 wrote to memory of 1704 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4684 wrote to memory of 1704 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1704 wrote to memory of 3772 1704 cmd.exe !WannaDecryptor!.exe PID 1704 wrote to memory of 3772 1704 cmd.exe !WannaDecryptor!.exe PID 1704 wrote to memory of 3772 1704 cmd.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 1068 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 1068 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4684 wrote to memory of 1068 4684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3772 wrote to memory of 2084 3772 !WannaDecryptor!.exe cmd.exe PID 3772 wrote to memory of 2084 3772 !WannaDecryptor!.exe cmd.exe PID 3772 wrote to memory of 2084 3772 !WannaDecryptor!.exe cmd.exe PID 2084 wrote to memory of 4808 2084 cmd.exe WMIC.exe PID 2084 wrote to memory of 4808 2084 cmd.exe WMIC.exe PID 2084 wrote to memory of 4808 2084 cmd.exe WMIC.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 134281715396880.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:8
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1576 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3040 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2272 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2420 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:468 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5084 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4808 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1068
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:956
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD55d2f4f91c5b7f0a3eeb5f8536d4469a0
SHA16faad7e65076747add925a7f703fb16927aa3255
SHA2564f25058db9ebef8386c47845392e2a736007e5c5d984ba68ae8aa4cd7c87b1cd
SHA512c1af1696a90c5f7b8dea17a2820c592be55f2330c961ae63616d4fc5bd1c1908083929490cda30aedf97f0dfa919c63c6f208892f5351c0bc6143df4f5aafbba
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD503e42be203f0d89f552cfcd651fc7574
SHA159d2430938f2b89c886ffd8cb68ec96efc64eccf
SHA256a7eea169b95a491b6efc14fbc2efaf1150e7bfcb26f8a546e1df976fd8743d27
SHA5123fcb97e0a7538e5bc8351c457baeb3b90b5f170088b508c9e9aacfe4de0950a8ede5fbdc36434c71c94822c74643576af6ff8506d9bc900821c2864703a6170e
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5968ff802236bede838b54a92ec2c4c53
SHA1327a2cc3a780d6bbd03a4d80ec35a7a13a585054
SHA256f65b7d871bc65c70e0ea9f4cc7538f723311360aa3301201475d41a058c93d24
SHA5128723cc0b61d0b3ba4827d72e5aa0e7f7b0f2b815ec21c8ed2c840408acc1245e9b0eaa7093818e1c110ef8744aed286c4b04c35e4a859e5a516a5c73761112b6
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD533532ecd33af72bd50952e4d330522db
SHA1b64b71be9f053a19853fb9293a63b5fd14c7d4c6
SHA256e0c7a9923a0dbed1d983d0db8cb99061beb5887bd920a59c454a28bb7ef8a822
SHA512a7789865112dd02d7a6d28d2c228efbdf77c106572f3f90774a14379e064d3d84fd62dcc264ddfcd808d9e0795ba3e24d21a7fbce6d0ca8d42cb306b8bf48f10
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C:\Users\Admin\AppData\Local\Temp\134281715396880.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD5906c64fa0399a45c9565aa49a8d48281
SHA1e36227f3744fdaa01e638d3f6251ba5b30cfd5cd
SHA256d4475460afdf1acf843244f9084ea4b1769b9619553de7b0d261d78737cd3dc9
SHA51279c23acacf61f8c07a67b07a2a0906a8bc8654e223bc5a6edcb0e6a41ded6a2838207c478e252f323e72b6ee89ae764509c2de0958a5272a640eb6964a80aeb1
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C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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memory/4684-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB